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Explain Disadvantage of Optimal Page Replacement Algorithm
Optimal page replacement algorithm cannot be implemented in the general purpose operating system as it is impossible to calculate reliably how long it will be before a page is going to be used.
Q. Explain about Deadlock Avoidance? To prevent deadlocks two kinds of techniques are used: 1) Static prevention: It employs P and V operators in addition to Semaphores to
What is a digital multiplexer? Ans: Multiplexer: Data selector or MUX is a logic circuit selects binary information from one of several input and directs this to a sing
WRITE MISS POLICY: Write allocate fetch on write fetch entire block, then write word into block allocate a new block on each writ allocate block, but
Universal Serial Bus - computer architecture: USB Universal Serial Bus Speed Low-speed(1.5 Mb/s) High-speed(480 Mb/s) Full-speed(12 Mb/s) De
Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes? No. The Minimal spanning tree makes sure that the total weight of the tree i
Qualifications of security professionals For the security professionals, it is essential that they have adequate freedom to check the security measures and enforce them and
Sequential Logic Gates SR flip flop 1)
Explain at least one modulation technique used for high speed modems. FSK - Frequency Shift Keying: In such technique the frequency of the carrier signal is changed as per to
Explain the term- Intranets Various companies use intranets as well as the internet. Simple definition is "An intranet is a computer network which is based on internet technolo
How can system improved if one arrive at the probability of availability of free lines during the busy hour? Improvement can be made when the system is act as a loss system in
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